Finding the Fourth Proportional to 123,861.90, 185,715.06 and 56,414.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123,861.90 : 185,715.06 = 56,414.82 : x
2. Step 2: Convert to fraction form
   123,861.90/185,715.06 = 56,414.82/x
3. Step 3: Cross multiply
   123,861.90x = 185,715.06 × 56,414.82
4. Step 4: Simplify right side
   123,861.90x = 10,477,081,681.19
5. Step 5: Solve for x
   x = 10,477,081,681.19/123,861.90
6. Step 6: Final answer
   x = 84,586.80